69620940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20357}}^1$

素因数の和:20391

約数の個数: 72

約数和(自身を含む): 222309360

約数和(自身を除く): 152688420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 20357, 40714, 61071, 81428, 101785, 122142, 183213, 203570, 244284, 305355, 366426, 386783, 407140, 610710, 732852, 773566, 916065, 1160349, 1221420, 1547132, 1832130, 1933915, 2320698, 3481047, 3664260, 3867830, 4641396, 5801745, 6962094, 7735660, 11603490, 13924188, 17405235, 23206980, 34810470, 69620940]

約数ペア:

[(1, 69620940), (2, 34810470), (3, 23206980), (4, 17405235), (5, 13924188), (6, 11603490), (9, 7735660), (10, 6962094), (12, 5801745), (15, 4641396), (18, 3867830), (19, 3664260), (20, 3481047), (30, 2320698), (36, 1933915), (38, 1832130), (45, 1547132), (57, 1221420), (60, 1160349), (76, 916065), (90, 773566), (95, 732852), (114, 610710), (171, 407140), (180, 386783), (190, 366426), (228, 305355), (285, 244284), (342, 203570), (380, 183213), (570, 122142), (684, 101785), (855, 81428), (1140, 61071), (1710, 40714), (3420, 20357)]